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IR fixed points in SU(3) gauge Theories

Ishikawa, K.-I. and Iwasaki, Y. and Nakayama, Yu and Yoshie, Y. (2015) IR fixed points in SU(3) gauge Theories. Physics Letters B, 748 . pp. 289-294. ISSN 0370-2693. doi:10.1016/j.physletb.2015.07.019. https://resolver.caltech.edu/CaltechAUTHORS:20150324-085644044

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Abstract

We propose a novel RG method to specify the location of the IR fixed point in lattice gauge theories and apply it to the SU(3) gauge theories with N_f fundamental fermions. It is based on the scaling behavior of the propagator through the RG analysis with a finite IR cut-off, which we cannot remove in the conformal field theories in sharp contrast with the confining theories. The method also enables us to estimate the anomalous mass dimension in the continuum limit at the IR fixed point. We perform the program for N_f=16, 12, 8 and N_f=7 and indeed identify the location of the IR fixed points in all cases.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://arxiv.org/abs/1503.02359arXivDiscussion Paper
http://dx.doi.org/10.1016/j.physletb.2015.07.019 DOIArticle
http://www.sciencedirect.com/science/article/pii/S0370269315005298PublisherArticle
ORCID:
AuthorORCID
Nakayama, Yu0000-0002-1747-5147
Additional Information:© 2015 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3. Open Access funded by SCOAP³ - Sponsoring Consortium for Open Access Publishing in Particle Physics. Received 10 March 2015; Received in revised form 6 June 2015; Accepted 10 July 2015; Available online 14 July 2015. The calculations were performed with HA-PACS computer at CCS, University of Tsukuba and SR16000 at KEK. We would like to thank members of CCS and KEK for their strong support for this work.
Group:Walter Burke Institute for Theoretical Physics
Funders:
Funding AgencyGrant Number
SCOAP3UNSPECIFIED
Other Numbering System:
Other Numbering System NameOther Numbering System ID
CALT-TH2015-12
DOI:10.1016/j.physletb.2015.07.019
Record Number:CaltechAUTHORS:20150324-085644044
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20150324-085644044
Official Citation:K.-I. Ishikawa, Y. Iwasaki, Yu Nakayama, T. Yoshie, IR fixed points in gauge theories, Physics Letters B, Volume 748, 2 September 2015, Pages 289-294, ISSN 0370-2693, http://dx.doi.org/10.1016/j.physletb.2015.07.019. (http://www.sciencedirect.com/science/article/pii/S0370269315005298)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:56005
Collection:CaltechAUTHORS
Deposited By: Joy Painter
Deposited On:24 Mar 2015 16:05
Last Modified:10 Nov 2021 20:53

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